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集散控制系統(tǒng)（Distributed Control System－DCS）集計(jì)算機(jī)技術(shù)、控制技術(shù)、通信技術(shù)、CRT技術(shù)于一體，廣泛應(yīng)用于生產(chǎn)過(guò)程控制系統(tǒng)。隨著計(jì)算機(jī)和網(wǎng)絡(luò)技術(shù)的飛速發(fā)展，產(chǎn)生了一種新型的控制系統(tǒng)———現(xiàn)場(chǎng)總線控制系統(tǒng)（Fieldbus Control System－FCS）。但國(guó)內(nèi)生產(chǎn)企業(yè)的情況是：大多數(shù)企業(yè)還處于模擬儀表和人工控制的階段，采用DCS控制系統(tǒng)的企業(yè)仍是少數(shù)。由于DCS應(yīng)用廣泛、技術(shù)成熟，在現(xiàn)有的技術(shù)條件和市場(chǎng)條件下，F(xiàn)CS還不能完全取代DCS，而且目前現(xiàn)場(chǎng)總線設(shè)備和系統(tǒng)還十分昂貴。因此，除了新建企業(yè)外，國(guó)內(nèi)企業(yè)在較長(zhǎng)時(shí)間不可能全面采用現(xiàn)場(chǎng)總線技術(shù)，而必須走逐步發(fā)展、過(guò)渡的道路。 ??我們?cè)谏虾Ｊ煞莨经h(huán)保部水質(zhì)凈化廠監(jiān)控系統(tǒng)的改造項(xiàng)目中，對(duì)3個(gè)生產(chǎn)單元已有的DCS和PLC進(jìn)行改造，增加通信功能，實(shí)現(xiàn)總調(diào)度室對(duì)各生產(chǎn)裝置的集中監(jiān)控。 2?系統(tǒng)改造方案?? 根據(jù)水質(zhì)凈化廠各生產(chǎn)單元的功能和建設(shè)階段，分為廠外調(diào)節(jié)池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個(gè)生產(chǎn)單元。另外，在廠部設(shè)有總調(diào)度室，但是總調(diào)度室的監(jiān)控水平較為落后，改造之前基本上不能對(duì)各個(gè)生產(chǎn)單元進(jìn)行監(jiān)控。為了適應(yīng)生產(chǎn)需要，提高生產(chǎn)效率，改善操作條件，加強(qiáng)監(jiān)控手段，確保各生產(chǎn)裝置的正常運(yùn)行，急需對(duì)各生產(chǎn)單元和總調(diào)度室進(jìn)行技術(shù)和設(shè)備的更新改造，從而能在總調(diào)度室對(duì)各裝置進(jìn)行監(jiān)視管理，及時(shí)了解各裝置的運(yùn)行情況，達(dá)到指揮及時(shí)和調(diào)度準(zhǔn)確的目的。 2．1?現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造 ??現(xiàn)場(chǎng)監(jiān)控系統(tǒng)的改造要充分利用原有儀表和設(shè)備，主要考慮可靠性和實(shí)時(shí)性。首先對(duì)自控程度較高的3個(gè)單元進(jìn)行改造（系統(tǒng)結(jié)構(gòu)見(jiàn)圖2—1）： ??四期污水處理生產(chǎn)單元控制設(shè)備配置了兩套ALLEN－BRADELY公司PLC設(shè)備。25塊開(kāi)關(guān)量輸入信號(hào)卡，可采集384點(diǎn)信號(hào)；7塊開(kāi)關(guān)量輸出信號(hào)卡，可輸出112點(diǎn)信號(hào)；3塊模擬量輸入信號(hào)卡，可采集24點(diǎn)信號(hào)。兩套AB—PLC通過(guò)DH＋（數(shù)據(jù)高速通道）實(shí)現(xiàn)數(shù)據(jù)共享。在原有的現(xiàn)場(chǎng)控制計(jì)算機(jī)上分別增加以太網(wǎng)卡，通過(guò)以太網(wǎng)將實(shí)時(shí)數(shù)據(jù)送到總調(diào)度室處理。??輸出192點(diǎn)信號(hào)；1塊模擬量輸入信號(hào)卡，可采集8點(diǎn)信號(hào)。系統(tǒng)運(yùn)行采用遙控開(kāi)關(guān)操作與全模擬流程盤顯示。在原有的Siemens S5－115UPLC上增加RS－232通訊模塊（CP524）和1臺(tái)現(xiàn)場(chǎng)操作站，用點(diǎn)對(duì)點(diǎn)方法連接，使PLC的數(shù)據(jù)通過(guò)現(xiàn)場(chǎng)操作站送到以太網(wǎng)上，與總調(diào)度室監(jiān)控計(jì)算機(jī)通信。但RS－232傳輸速率只有9600bps，操作站僅對(duì)現(xiàn)場(chǎng)起到監(jiān)視作用。
12750 NOVELLUS HAMILTON SYRINGE GASTIGHT 1725, 250UL 20-160221-006044 HORIBA-STEC MFC SEC-F730 SEC-F730MCA1-UC
21428 ALLEN-BRADLEY ULTRA3000I SERVO DRIVE 2098-DSD-005X-NV1
8127 TOKYO ELECTRON PCB U/C I/F BOARD (1808-022018-11) 1881-022018
8128 TOKYO ELECTRON PCB GAS I/F BOARD (808-521470-1) 881-521470-1
8688 TOKYO ELECTRON LOW PLATE 300MM 3M10-101634-11
20289 APPLIED MATERIALS HARNESS ASSY, MOTOR POWER 300MM CHAMBER, 2M 0140-11488
9425 APPLIED MATERIALS CLAMP ADPTR ISO 63 TO NW40 QDP80 DRY PUMP 0690-01647
T94 BROOKS BARATRON, PRESSURE TRANSDUCER, CMC SERIES,10 TORR CMCAT1122AR
7826 TOKYO ELECTRON ELECTROSTATIC CHUCK 3Z002AA-90013
5115 EBARA VACUUM PUMP INTERFACE BOX VIF70AME4
22288 NOVELLUS ASSY, CASS DOOR SENS HRNS 03-00074-00
12198 FUJIKIN DIAPHRAGM VALVE, TYPE N.C., O.P. 0.39~0.59 MPA 23727
4997 APPLIED MATERIALS BRKT GASLINE CLAMP PLATE PROD SE MKII 0021-26241
9378 REXROTH ECO DRIVE DKCXX.3-040-7
9683 LUDL MAC22 19" ENCLOSURE INTERFACE MODULE 73002005
1161 SIMCO H 166B POWER UNIT 120VAC 50/60HZ 0.25VA 4001277
8462 CELLNERGY HEATER CONTROLLER BOX TCN4S
14776 APPLIED MATERIALS BLOCKER PLATE, HE, GIGA-FILL SACVD 0021-01570
15531 APPLIED MATERIALS COVER,PEDESTAL, 150MM, CERAMIC 0200-09734
16105 APPLIED MATERIALS SHIM, CLAMPING, GAMMA CU, TITANIUM 0021-21443
17793 ADVANCED ENERGY PCB, RFDS 1500 CONTROL V2 2305174-A
18327 ADVANCED ENERGY PCB RFG 3K INTERCONNECT CE 2305211-B
18796 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305703-A
18793 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305211-B
13491 APPLIED MATERIALS PRESS. TRANSD. HRN 1-6 0140-09996
13353 VARIAN PCB, DIGITAL I/O BOARD, E15002453 E15002451
7073 ALPHA PLANETARY GEAR HEAD, 20:1 RATIO, 10MM SHAFT, INPUT 6MM ALPHIRA 040-2
22057 AUTOMATION CONTROLS MOTOR, AC-34656 676-099633-004
15272 KEYENCE DIGITAL CMOS LASER SENSOR GV-H45
8914 IWAKI PNEUMATIC DRIVE BELLOWS PUMP FF-10BT2
14995 TOKYO ELECTRON PCB, T-BAWL CONTROL UNIT, MDIF-01A, 118100054012 MDIF-01A-1
8739 CTI-CRYOGENICS ON-BOARD POWER CABLE 12FT (04D01-1084) 8112463G150
19185 APPLIED MATERIALS PIN400+M2 ASSY 0090-B4582
4078 PARALLEL AUTO SWITCH TP-401
8373 OMRON POWER SUPPLY, 24VDC 2.5AMPS S82W-103
20505 UNIPHASE HELIUM-NEON LASER HEADS W/O CABLE ADAPTER 1135P-2478
49 KLA-TENCOR PCB HEURIKON HK68/V2FA MICROCOM B-SIZE 712-450673-00
15614 APPLIED MATERIALS THREADED NOZZLE ALL CERAMIC 2.55L 110% 0200-03018
10996 APPLIED MATERIALS DOOR LP SLIT VLV WAFFLE-LESS 200MM 0021-15694
5823 LAM RESEARCH ELCTD，HP SILICON，8"，SM HOLE 839-443215-401
14856 APPLIED MATERIALS CYL AIR 1 1/8BOREZ1-1/4 STRK 3020-01093
13102 PALL ULTRAMET-L4000 FILTER ASSY, 3000 PSIG, ?" GASKET SEAL GLFF4000VM4
18814 NOVELLUS CABLE ASSY, MFC N J8, MFC N, 1.5M 03-427261-22
22136 SHINA MICROSTEP DRIVER S202
7766 VERTEQ MATCHING TRANSFORMER 1069347.3
17784 HASTINGS INSTRUMENTS DUAL SENSOR VACUUM GAUGE 2002
17778 APPLIED MATERIALS CABLE ASSY 0620-02245
13209 KEYENCE SAFTEY LIGHT CURTAIN TRANSMITTER & RECEIVER GL-S16FH-R GL-S16FH-T
10297 BROOKS ROBOT CONTROLLER + EMERGENCY STOP TT1ENR2-1-TVS-BROOKS8
6098 UNIT MFC 8560 SERIES UFC-8565
5914 LAM RESEARCH PCB HOIST CONTROLLER BOARD ASSY 810-802205-005
17764 APPLIED MATERIALS HARNESS, TURBO CNTRL BULKHEAD W/SMOKE 0140-36403
20992 APPLIED MATERIALS CABLE ASSY FX ROBOT MTR POWER INTERCO 0150-15825
14008 APPLIED MATERIALS JIG 6 PVD LIFT TO ROBOT CAL PLATE 0270-20061
19160 LASER DRIVE LASER HEAD POWER SUPPLY 111-2390-6.5-TTL-BRH-2
9890 SORTIMAT VIBRATION REGULATOR SMS 101A
6419 AERA MFC, PRESSURE INSENSITIVE FCPIR981C4VX9THA
5800 OMRON POWER SUPPLY DC24V1.1A S82J-6224
1496 APPLIED MATERIALS THROTTLE VALVE DELT W/ 5-PHASE STEPPING MOTOR 0010-76175W
13128 STAUBLI ROBOT CONTROL TEACH PENDANT SP1 D21142102
16308 GRANVILLE-PHILLIPS 352 GAUGE CONTROLLER 352001
79 EATON PCB CASSETTE STEPPER CONTROLLER, D-1404080 D-1504080
12417 ADVANCED ENERGY APEX 1513 RF GEN,1500W,13.56MHZ,0190-19022-001 3156110-005
22577 DELTA TAU UMAC AC POWER SUPPLY, 603269-106, LFVLT130-4102 ACC-E1
10442 OAKTON WATERPROOF METER W/ PROBE CON 150
665 OERLIKON LEYBOLD PENNINGVAC TRANSMITTER, P/N: 15734 PTR225
20849 KLA-TENCOR PCB, PHX E84 CONTROLLER W/ PCB 196918A-02 0116358-001
14111 TEL PCB BIN IF BD 208-600708-1 W/ 4X 280-000500-1 281-600708-1
14089 ASYST PCB, POWER DISTRIBUTION 3200-1061-01
12998 MILLIPORE IN-LINE GAS FILTER, MAX 600 PSI WGGB06WS1
21006 APPLIED MATERIALS CABLE ASSY PLATEN 4 MTR PWR REFLEXIO 0150-42155
21930 FEI ENHANCED ETCH GAS INJECTION PROBE, 18098 20093-A
20748 JASCO PCB, POWER CONT, P/N: 6586-A510A 6586-60EIA
7958 ASML LASER LAMP ASSEMBLY 4022.639.92101
20608 ESCAP DC SERVO MOTOR, HN.08.01 P310.170.50
20762 OPTIMISED CONTROL PCB ASSY, D576 KCL2871
6056 SAM MFC SFC-480 MASS FLOW CONTROLLER SFC480MC-4VQ
7738 TELEBYTE FOUR CHANNEL FIBER OPTIC MULTIPLEXER 273
18934 LAM RESEARCH CABLE ASSY, 49P-X2 AC POWER, 1M 853-802770-002
19676 APPLIED MATERIALS HOSE, ASSY, CNDCTV, 3/8TFE/TBG,72LG, 1.8M 0010-37171
9817 APPLIED MATERIALS HEATER 0040-36180 REV P8
12760 THERMO SCIENTIFIC FH100M PERISTALTIC TUBING PUMP SYS, 2-200RPM 72-320-048
15027 PANALYTICAL XRD GLASS TUBE X-RAY,FINE FOCUS MO,2000W PW2215/20
11673 APPLIED MATERIALS CFA BULGIN PSU OUTPUT, CABLE, 0240-97051 0150-95168
12891 OEM GATE PLATE W/ BALL GUIDANCE, 19.5" x 15" 83469-R1
6581 HORIBASTEC CRITERION MFC, GAS: N2, 200SCCM, AMAT 0190-47277 D514MG
9271 KYOWA OPTICAL FLUORESCENT RING ILLUMINATOR FL-10RB
22067 YASKAWA ELE AC SERVO MTR W/ REDUCER CP-14C-10-J602A-SP SGMAH-A3BAAJ361
6116 SAM MFC FANTAS MASS FLOW METER FMT480F1M-4VP
7453 OMRON INTERACTIVE DISPLAY TOUCH SCREEN NT31-ST123-V3
8201 ASML POWER SUPPLY PAAC 450/20 4022.471.96761
4957 BALDOR IND MTR WITH WINCH & PORTABLE GROUND FAULT 24E263W018G1
20860 ASML PCB ASSY 4022.437.0126
22351 APPLIED MATERIALS PCB ASSY, RF FILTER W/ RF DETECTOR, GAS 0100-01888
8000 GE FANUC PCB BEM 733 REMOTE I/O SCANNER IC697BEM733H
11869 FUJIKIN DIAPHRAGM VALVE TYPE N.C. & N.O., O.P. 0.49MPA 408311
23469 PIONEER MAGNETICS PS, I/P 230V, O/P 5.2V, 40A, 2V 15A (REFURB) PM2971A-2-4
注：聯(lián)系我時(shí)，請(qǐng)說(shuō)是在“傲立機(jī)床網(wǎng)”上看到的，謝謝！
